For a limited time, Aquarium Specialty is discounting 250ml and 500ml bags of All-In-One Biopellets by 25%. See site for details.
http://www.aquariumspecialty.com/fi...essories/reef-interests-all-in-one-biopellets
http://www.aquariumspecialty.com/fi...essories/reef-interests-all-in-one-biopellets